package com.simon.bigdata.mapreduce.wordcount;

import org.apache.hadoop.io.IntWritable;
import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Mapper;

import java.io.IOException;

/**
 * Created by changf on 2017/7/27.
 */
public class WordCounterMapper extends Mapper<LongWritable, Text, Text, IntWritable> {
    @Override
    protected void map(LongWritable key, Text value, Context context) throws IOException, InterruptedException {
       IntWritable i=new IntWritable(1);
        String line = value.toString();
        String[] words = line.split(" ");
        for (String word : words) {
         context.write(new Text(word),i);
        }

    }
}
